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Fair value of financial instruments - Estimated Fair Values and Carrying Values of Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financial assets: |  |
Interest receivable | $ 43,603 | $ 17,083
Derivatives | 68,938 | 21,981
Financial liabilities: |  |
Derivatives | 48,242 | 17,933
Level 1 |  |
Financial assets: |  |
Cash and cash equivalents | 1,317,898 | 232,681
Investment securities | 0 | 0
Loans, net | 0 | 0
Loans held for sale | 0 | 0
Interest receivable | 33 | 0
Mortgage servicing rights | 0 | 0
Derivatives | 0 | 0
Financial liabilities: |  |
Deposits, Without stated maturities | 8,020,783 | 3,743,085
Deposits, With stated maturities | 0 | 0
Securities sold under agreement to repurchase and federal funds sold | 32,199 | 23,745
Federal Home Loan Bank advances |  | 0
Subordinated debt | 0 | 0
Other borrowings | 0 |
Interest payable | 327 | 376
Derivatives | 0 | 0
Level 2 |  |
Financial assets: |  |
Cash and cash equivalents | 0 | 0
Investment securities | 1,176,991 | 691,676
Loans, net | 0 | 0
Loans held for sale | 683,770 | 262,518
Interest receivable | 5,254 | 3,282
Mortgage servicing rights | 0 | 0
Derivatives | 68,938 | 21,981
Financial liabilities: |  |
Deposits, Without stated maturities | 0 | 0
Deposits, With stated maturities | 1,446,605 | 1,200,145
Securities sold under agreement to repurchase and federal funds sold | 0 | 0
Federal Home Loan Bank advances |  | 250,213
Subordinated debt | 0 | 29,706
Other borrowings | 16,598 |
Interest payable | 4,210 | 6,089
Derivatives | 48,242 | 17,933
Level 3 |  |
Financial assets: |  |
Cash and cash equivalents | 0 | 0
Investment securities | 0 | 0
Loans, net | 7,058,693 | 4,363,903
Loans held for sale | 215,403 | 0
Interest receivable | 38,316 | 13,801
Mortgage servicing rights | 79,997 | 75,521
Derivatives | 0 | 0
Financial liabilities: |  |
Deposits, Without stated maturities | 0 | 0
Deposits, With stated maturities | 0 | 0
Securities sold under agreement to repurchase and federal funds sold | 0 | 0
Federal Home Loan Bank advances |  | 0
Subordinated debt | 192,149 | 0
Other borrowings | 0 |
Interest payable | 2,235 | 0
Derivatives | 0 | 0
Carrying amount |  |
Financial assets: |  |
Cash and cash equivalents | 1,317,898 | 232,681
Investment securities | 1,176,991 | 691,676
Loans, net | 6,912,570 | 4,378,503
Loans held for sale | 899,173 | 262,518
Interest receivable | 43,603 | 17,083
Mortgage servicing rights | 79,997 | 75,521
Derivatives | 68,938 | 21,981
Financial liabilities: |  |
Deposits, Without stated maturities | 8,020,783 | 3,743,085
Deposits, With stated maturities | 1,437,254 | 1,191,853
Securities sold under agreement to repurchase and federal funds sold | 32,199 | 23,745
Federal Home Loan Bank advances |  | 250,000
Subordinated debt | 189,527 | 30,930
Other borrowings | 16,598 |
Interest payable | 6,772 | 6,465
Derivatives | 48,242 | 17,933
Aggregate fair value |  |
Financial assets: |  |
Cash and cash equivalents | 1,317,898 | 232,681
Investment securities | 1,176,991 | 691,676
Loans, net | 7,058,693 | 4,363,903
Loans held for sale | 899,173 | 262,518
Interest receivable | 43,603 | 17,083
Mortgage servicing rights | 79,997 | 75,521
Derivatives | 68,938 | 21,981
Financial liabilities: |  |
Deposits, Without stated maturities | 8,020,783 | 3,743,085
Deposits, With stated maturities | 1,446,605 | 1,200,145
Securities sold under agreement to repurchase and federal funds sold | 32,199 | 23,745
Federal Home Loan Bank advances |  | 250,213
Subordinated debt | 192,149 | 29,706
Other borrowings | 16,598 |
Interest payable | 6,772 | 6,465
Derivatives | $ 48,242 | $ 17,933

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Amount of interest payable on debt, including, but not limited to, trade payables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611 + Details
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